313191448 has 16 divisors (see below), whose sum is σ = 589404960. Its totient is φ = 156016800.

The previous prime is 313191427. The next prime is 313191449. The reversal of 313191448 is 844191313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313191449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70063 + ... + 74398.

It is an arithmetic number, because the mean of its divisors is an integer number (36837810).

Almost surely, 2^313191448 is an apocalyptic number.

It is an amenable number.

313191448 is a deficient number, since it is larger than the sum of its proper divisors (276213512).

313191448 is a wasteful number, since it uses less digits than its factorization.

313191448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144738 (or 144734 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 313191448 is about 17697.2158262253. The cubic root of 313191448 is about 679.1045364286.

The spelling of 313191448 in words is "three hundred thirteen million, one hundred ninety-one thousand, four hundred forty-eight".